As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA - CREW REPORTED THAT DURING CLIMB, THE MASTER AND SMOKE WARNING ANNUNCIATORS ILLUMINATED INTERMITTENTLY. PERFORMED INSPECTION OF SMOKE DETECTORS, NO DEFECTS NOTED. NO INDICATION OF FIRE OR SMOKE. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.